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DM5PR07MB2954; 20:lysO16AgMNvM3up2zwaiDIhKonaBH729QiEAepV6e5CHiHxBNONrVGM8+kxT6zbbY5JR/ZbunO457CnWjbXAXlTW1N5y68tNi3+Iffjvdx3khVnoAl8ts6jgp0P7Xj1JE9czZpK1Y5KTxKo+M1JsM476r47B/mQOwVI5pm/OLwimb4pSKioy7LBGPzI3P3nZJ+DHOOE0lpGR6OOw7PNApUb/pbUfPzvMwQ5TVgoiThmJRfifgGjAm3nRPXyweJtG X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Oct 2018 21:43:38.2620 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fbcbda98-e503-4e34-efff-08d62d671ba5 X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9; Ip=[158.140.1.28]; Helo=[sjmaillnx2.cadence.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR07MB2954 X-Proofpoint-SPF-Result: pass X-Proofpoint-SPF-Record: v=spf1 a:mx-sanjose2.Cadence.COM a:mx-sanjose4.Cadence.COM a:mx-sanjose5.Cadence.COM include:mktomail.com include:spf-0014ca01.pphosted.com include:spf.protection.outlook.com include:auth.msgapp.com include:spf.mandrillapp.com ~all X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-10-08_10:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=913 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810080202 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Quentin Schulz Document the bindings used for the Cadence MHDP DPI/DP bridge. Signed-off-by: Quentin Schulz Signed-off-by: Damian Kos Reviewed-by: Rob Herring --- .../bindings/display/bridge/cdns,mhdp.txt | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt -- 2.17.1 diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt new file mode 100644 index 000000000000..f8334c520b98 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt @@ -0,0 +1,43 @@ +Cadence MHDP bridge +========================== + +The Cadence MHDP bridge is a DPI to DP bridge. + +Required properties: +- compatible: should be "cdns,mhdp8546", +- reg: physical base address and length of the controller's registers, +- clocks: DP bridge clock, it's used by the IP to know how to translate + a number of clock cycles into a time (which is used to comply + with DP standard timings and delays), + +Required subnodes: +- ports: Ports as described in Documentation/devictree/bindings/graph.txt + Port 0 - input port representing the DP bridge input + Port 1 - output port representing the DP bridge output + +Example: + + mhdp: dp-bridge@f0fb000000 { + compatible = "cdns,mhdp8546"; + reg = <0xf0 0xfb000000 0x0 0x1000000>; + clocks = <&mhdp_clock>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dp_bridge_input: endpoint { + remote-endpoint = <&xxx_dpi_output>; + }; + }; + + port@1 { + reg = <1>; + dp_bridge_output: endpoint { + remote-endpoint = <&xxx_dp_connector_input>; + }; + }; + }; + };